The Red Devils crashed out the Champions League last week, prompting Mourinho to launch a sensational defence of himself in the form of a 12-minute rant in his press conference ahead of the FA Cup.

Mourinho's United bounced back with a win over Brighton on the weekend to progress to the semi-finals of the competition, where they will face Tottenham.

Speaking out about his manager's approach to games, and providing an insight into what he is like behind the scenes at Manchester United, Matic said: "It is very difficult to work with him because he always wants more and more.

Nemanja Matic says Jose Mourinho can be "very difficult" to work with (Image: Getty Images Europe)